linux-kernel - [PATCH 1/2] arm64: dts: meson-axg: add PCIe nodes

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Date:   Wed,  7 Oct 2020 12:06:30 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     khilman@...libre.com
Cc:     linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>
Subject: [PATCH 1/2] arm64: dts: meson-axg: add PCIe nodes

This adds the nodes for the :
- AXG PCIe PHY, using the shared analog PCIe/MIPI DSI PHY
- 2x AXG PCIe controllers

Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 61 ++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index b27f6f4696da..44393d9c3981 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -172,6 +172,58 @@
 		#size-cells = <2>;
 		ranges;
 
+		pcieA: pcie@...00000 {
+			compatible = "amlogic,axg-pcie", "snps,dw-pcie";
+			reg = <0x0 0xf9800000 0x0 0x400000>,
+			      <0x0 0xff646000 0x0 0x2000>,
+			      <0x0 0xf9f00000 0x0 0x100000>;
+			reg-names = "elbi", "cfg", "config";
+			interrupts = <GIC_SPI 177 IRQ_TYPE_EDGE_RISING>;
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0>;
+			interrupt-map = <0 0 0 0 &gic GIC_SPI 179 IRQ_TYPE_EDGE_RISING>;
+			bus-range = <0x0 0xff>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			device_type = "pci";
+			ranges = <0x82000000 0 0xf9c00000 0x0 0xf9c00000 0 0x00300000>;
+
+			clocks = <&clkc CLKID_USB>, <&clkc CLKID_PCIE_A>, <&clkc CLKID_PCIE_CML_EN0>;
+			clock-names = "general", "pclk", "port";
+			resets = <&reset RESET_PCIE_A>, <&reset RESET_PCIE_APB>;
+			reset-names = "port", "apb";
+			num-lanes = <1>;
+			phys = <&pcie_phy>;
+			phy-names = "pcie";
+			status = "disabled";
+		};
+
+		pcieB: pcie@...00000 {
+			compatible = "amlogic,axg-pcie", "snps,dw-pcie";
+			reg = <0x0 0xfa000000 0x0 0x400000>,
+			      <0x0 0xff648000 0x0 0x2000>,
+			      <0x0 0xfa400000 0x0 0x100000>;
+			reg-names = "elbi", "cfg", "config";
+			interrupts = <GIC_SPI 167 IRQ_TYPE_EDGE_RISING>;
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0>;
+			interrupt-map = <0 0 0 0 &gic GIC_SPI 169 IRQ_TYPE_EDGE_RISING>;
+			bus-range = <0x0 0xff>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			device_type = "pci";
+			ranges = <0x82000000 0 0xfa500000 0x0 0xfa500000 0 0x00300000>;
+
+			clocks = <&clkc CLKID_USB>, <&clkc CLKID_PCIE_B>, <&clkc CLKID_PCIE_CML_EN1>;
+			clock-names = "general", "pclk", "port";
+			resets = <&reset RESET_PCIE_B>, <&reset RESET_PCIE_APB>;
+			reset-names = "port", "apb";
+			num-lanes = <1>;
+			phys = <&pcie_phy>;
+			phy-names = "pcie";
+			status = "disabled";
+		};
+
 		usb: usb@...09080 {
 			compatible = "amlogic,meson-axg-usb-ctrl";
 			reg = <0x0 0xffe09080 0x0 0x20>;
@@ -230,6 +282,15 @@
 			status = "disabled";
 		};
 
+		pcie_phy: phy@...44000 {
+			compatible = "amlogic,axg-pcie-phy";
+			reg = <0x0 0xff644000 0x0 0x1c>;
+			resets = <&reset RESET_PCIE_PHY>;
+			phys = <&mipi_pcie_analog_dphy>;
+			phy-names = "analog";
+			#phy-cells = <0>;
+		};
+
 		pdm: audio-controller@...32000 {
 			compatible = "amlogic,axg-pdm";
 			reg = <0x0 0xff632000 0x0 0x34>;
-- 
2.25.1